Headphone



FIG. 1 is a top, front, and left side perspective view of a headphone showing our new design;

FIG. 2 is a bottom, rear and right side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged view of portion 9 in FIG. 6 .

The broken lines in the drawings illustrate portions of the headphone which form no part of the claimed design.

The dot-dash broken lines encircling portions of the headphone in FIG. 6 and illustrated in the enlarged view of FIG. 9 form no part of the claimed design. 

CLAIM The ornamental design for a headphone, as shown and described. 